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author | Felix Fietkau <nbd@nbd.name> | 2020-10-24 21:14:16 +0200 |
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committer | Felix Fietkau <nbd@nbd.name> | 2021-02-16 20:06:51 +0100 |
commit | b10d6044599d8c1fa7fbb2374bcbf30118d39db1 (patch) | |
tree | 3fc84f92c14dfa7178487b71e1b8d63c2b688439 /target/linux/generic/pending-5.10/309-MIPS-Add-CPU-option-reporting-to-proc-cpuinfo.patch | |
parent | 299b8554183791b325e393c880d32360d7d72f73 (diff) | |
download | upstream-b10d6044599d8c1fa7fbb2374bcbf30118d39db1.tar.gz upstream-b10d6044599d8c1fa7fbb2374bcbf30118d39db1.tar.bz2 upstream-b10d6044599d8c1fa7fbb2374bcbf30118d39db1.zip |
kernel: add linux 5.10 support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/generic/pending-5.10/309-MIPS-Add-CPU-option-reporting-to-proc-cpuinfo.patch')
-rw-r--r-- | target/linux/generic/pending-5.10/309-MIPS-Add-CPU-option-reporting-to-proc-cpuinfo.patch | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.10/309-MIPS-Add-CPU-option-reporting-to-proc-cpuinfo.patch b/target/linux/generic/pending-5.10/309-MIPS-Add-CPU-option-reporting-to-proc-cpuinfo.patch new file mode 100644 index 0000000000..794f027f18 --- /dev/null +++ b/target/linux/generic/pending-5.10/309-MIPS-Add-CPU-option-reporting-to-proc-cpuinfo.patch @@ -0,0 +1,140 @@ +From 87ec87c2ad615c1a177cd08ef5fa29fc739f6e50 Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <hauke@hauke-m.de> +Date: Sun, 23 Dec 2018 18:06:53 +0100 +Subject: [PATCH] MIPS: Add CPU option reporting to /proc/cpuinfo + +Many MIPS CPUs have optional CPU features which are not activates for +all CPU cores. Print the CPU options which are implemented in the core +in /proc/cpuinfo. This makes it possible to see what features are +supported and which are not supported. This should cover all standard +MIPS extensions, before it only printed information about the main MIPS +ASEs. + +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +--- + arch/mips/kernel/proc.c | 116 ++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 116 insertions(+) + +--- a/arch/mips/kernel/proc.c ++++ b/arch/mips/kernel/proc.c +@@ -138,6 +138,120 @@ static int show_cpuinfo(struct seq_file + seq_printf(m, "micromips kernel\t: %s\n", + (read_c0_config3() & MIPS_CONF3_ISA_OE) ? "yes" : "no"); + } ++ ++ seq_printf(m, "Options implemented\t:"); ++ if (cpu_has_tlb) ++ seq_printf(m, "%s", " tlb"); ++ if (cpu_has_ftlb) ++ seq_printf(m, "%s", " ftlb"); ++ if (cpu_has_tlbinv) ++ seq_printf(m, "%s", " tlbinv"); ++ if (cpu_has_segments) ++ seq_printf(m, "%s", " segments"); ++ if (cpu_has_rixiex) ++ seq_printf(m, "%s", " rixiex"); ++ if (cpu_has_ldpte) ++ seq_printf(m, "%s", " ldpte"); ++ if (cpu_has_maar) ++ seq_printf(m, "%s", " maar"); ++ if (cpu_has_rw_llb) ++ seq_printf(m, "%s", " rw_llb"); ++ if (cpu_has_4kex) ++ seq_printf(m, "%s", " 4kex"); ++ if (cpu_has_3k_cache) ++ seq_printf(m, "%s", " 3k_cache"); ++ if (cpu_has_4k_cache) ++ seq_printf(m, "%s", " 4k_cache"); ++ if (cpu_has_6k_cache) ++ seq_printf(m, "%s", " 6k_cache"); ++ if (cpu_has_8k_cache) ++ seq_printf(m, "%s", " 8k_cache"); ++ if (cpu_has_tx39_cache) ++ seq_printf(m, "%s", " tx39_cache"); ++ if (cpu_has_octeon_cache) ++ seq_printf(m, "%s", " octeon_cache"); ++ if (cpu_has_fpu) ++ seq_printf(m, "%s", " fpu"); ++ if (cpu_has_32fpr) ++ seq_printf(m, "%s", " 32fpr"); ++ if (cpu_has_cache_cdex_p) ++ seq_printf(m, "%s", " cache_cdex_p"); ++ if (cpu_has_cache_cdex_s) ++ seq_printf(m, "%s", " cache_cdex_s"); ++ if (cpu_has_prefetch) ++ seq_printf(m, "%s", " prefetch"); ++ if (cpu_has_mcheck) ++ seq_printf(m, "%s", " mcheck"); ++ if (cpu_has_ejtag) ++ seq_printf(m, "%s", " ejtag"); ++ if (cpu_has_llsc) ++ seq_printf(m, "%s", " llsc"); ++ if (cpu_has_guestctl0ext) ++ seq_printf(m, "%s", " guestctl0ext"); ++ if (cpu_has_guestctl1) ++ seq_printf(m, "%s", " guestctl1"); ++ if (cpu_has_guestctl2) ++ seq_printf(m, "%s", " guestctl2"); ++ if (cpu_has_guestid) ++ seq_printf(m, "%s", " guestid"); ++ if (cpu_has_drg) ++ seq_printf(m, "%s", " drg"); ++ if (cpu_has_rixi) ++ seq_printf(m, "%s", " rixi"); ++ if (cpu_has_lpa) ++ seq_printf(m, "%s", " lpa"); ++ if (cpu_has_mvh) ++ seq_printf(m, "%s", " mvh"); ++ if (cpu_has_vtag_icache) ++ seq_printf(m, "%s", " vtag_icache"); ++ if (cpu_has_dc_aliases) ++ seq_printf(m, "%s", " dc_aliases"); ++ if (cpu_has_ic_fills_f_dc) ++ seq_printf(m, "%s", " ic_fills_f_dc"); ++ if (cpu_has_pindexed_dcache) ++ seq_printf(m, "%s", " pindexed_dcache"); ++ if (cpu_has_userlocal) ++ seq_printf(m, "%s", " userlocal"); ++ if (cpu_has_nofpuex) ++ seq_printf(m, "%s", " nofpuex"); ++ if (cpu_has_vint) ++ seq_printf(m, "%s", " vint"); ++ if (cpu_has_veic) ++ seq_printf(m, "%s", " veic"); ++ if (cpu_has_inclusive_pcaches) ++ seq_printf(m, "%s", " inclusive_pcaches"); ++ if (cpu_has_perf_cntr_intr_bit) ++ seq_printf(m, "%s", " perf_cntr_intr_bit"); ++ if (cpu_has_ufr) ++ seq_printf(m, "%s", " ufr"); ++ if (cpu_has_fre) ++ seq_printf(m, "%s", " fre"); ++ if (cpu_has_cdmm) ++ seq_printf(m, "%s", " cdmm"); ++ if (cpu_has_small_pages) ++ seq_printf(m, "%s", " small_pages"); ++ if (cpu_has_nan_legacy) ++ seq_printf(m, "%s", " nan_legacy"); ++ if (cpu_has_nan_2008) ++ seq_printf(m, "%s", " nan_2008"); ++ if (cpu_has_ebase_wg) ++ seq_printf(m, "%s", " ebase_wg"); ++ if (cpu_has_badinstr) ++ seq_printf(m, "%s", " badinstr"); ++ if (cpu_has_badinstrp) ++ seq_printf(m, "%s", " badinstrp"); ++ if (cpu_has_contextconfig) ++ seq_printf(m, "%s", " contextconfig"); ++ if (cpu_has_perf) ++ seq_printf(m, "%s", " perf"); ++ if (cpu_has_shared_ftlb_ram) ++ seq_printf(m, "%s", " shared_ftlb_ram"); ++ if (cpu_has_shared_ftlb_entries) ++ seq_printf(m, "%s", " shared_ftlb_entries"); ++ if (cpu_has_mipsmt_pertccounters) ++ seq_printf(m, "%s", " mipsmt_pertccounters"); ++ seq_printf(m, "\n"); ++ + seq_printf(m, "shadow register sets\t: %d\n", + cpu_data[n].srsets); + seq_printf(m, "kscratch registers\t: %d\n", |